Friends, food, and flourishing

Unity: duplicate definitions in global namespace

Sometimes, I get this with a new project, when I add third-party assets:

Global namespace error

The namespace '<global namespace>' already contains a definition for 'something or other'

You can see the problem on the right. Two vendors used the same class name, without adding a namespace.

Here’s their code:

Two WaterReflection classes

As far as I can tell, this is just a careless error. The issue is well-known, and so is the solution: add your own namespaces.

There is no excuse for this. There could be mitigating factors I’m not aware of, but I don’t think so. If there are, please let me know in the comments.

I wrapped one of the classes:

namespace IgniteCoders

One of the assets only has one C# class, so it was the easier to fix.

Of course, if the asset is updated, the change will be lost, and I’ll have to do this again.


Two scripts defining the same class

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